Rechargeable battery charger



FIG. 1 is a front, top, and left side perspective view of a rechargeable battery charger;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another front, top, and left side perspective view thereof showing the rechargeable battery charger with the plugs folded. 

CLAIM The ornamental design for a rechargeable battery charger, as shown and described. 